Add 30/15 and 40/63
1st number: 2 0/15, 2nd number: 40/63
30/15 + 40/63 is 166/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
30/15 = 30 × 21/15 × 21 = 630/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
40/63 = 40 × 5/63 × 5 = 200/315 - Add the two like fractions:
630/315 + 200/315 = 630 + 200/315 = 830/315 - 830/315 simplified gives 166/63
- So, 30/15 + 40/63 = 166/63
In mixed form: 240/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15+40/63 30/15+80/63 90/15+40/63 30/45+40/63 30/75+40/63